Shire plc Q1: The Big Fight Against Teva Pharmaceutical Industries Limited's Generics Begins
BNET -- Shire, the maker of ADHD drugs Adderall XR and Vyvanse had an excellent Q1 but now faces a challenge: It’s two top products are threatened by a generic that Teva brought to market on April 2. The company is also persisting in the U.S with its Daytrana ADHD patch, which was forced off the market in Europe following manufacturing problems.